Patent US2944771A successfully refreshed from Google Patents.
US2944771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air mat bumper pad
Assignee: Martin Co
•
Filing: 1954-02-11
•
Granted: 1960-07-12
•
Expires: 1974-02-11
Abstract
No abstract record available.
Inventors
- 👤 Orville J Bush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:23
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE311099C
Cited
US1503386A
Cited
GB197803A
Cited
US1694873A
Cited
US2427445A
Cited
US2713466A
Cited
US2706605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |